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@faun shared a link, 3 days, 8 hours ago

Is Java Still Used? Current Trends and Market Demand in 2025

Java’s not just hanging on in 2025—it’s running the show. Over 90% of the Fortune 500 still trust it to power cloud platforms, big data pipelines, and IoT sprawl. What’s keeping it sharp? A brisk six-month release cadence. A battle-hardened ecosystem through OpenJDK and Jakarta EE. And a JVM that k..

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@faun shared a link, 3 days, 8 hours ago

Writing an operating system kernel from scratch

A barebonestime-sharing OS kernel, written inZig, running onRISC-V. It leans onOpenSBIfor console I/O and timer interrupts. Threads? Statically allocated, each running inuser mode (U-mode). The kernel stays insupervisor mode (S-mode), where it catchessystem callsandcontext switchesvia timer ticks. ..

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@faun shared a link, 3 days, 8 hours ago

Esoteric Languages Challenge Coders to Think Way Outside the Box

Daniel Temkin has written a book about44 esoteric programming languages, including Valence, which uses ancient Greek measuring symbols. Temkin emphasizes the significance of esoteric languages in promoting creativity and investigating the complicated nature of modern programming. These languages hav..

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@faun shared a link, 3 days, 8 hours ago

Vibe coding has turned senior devs into ‘AI babysitters,’ but they say it’s worth it

Fastly says95% of developersspend extra time fixing AI-written code. Senior engineers take the brunt. That overhead has even spawned a new gig: “vibe code cleanup specialist.” (Yes, seriously.) As teams lean harder on AI tools, reliability and security start to slide—unless someone steps in. The re..

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@faun shared a link, 3 days, 8 hours ago

The Raku Programming Language: There's More Than One Way To Do It

Raku throws togethermulti-paradigm support,gradual typing,first-class regex grammars, andmetaprogrammingthat actually earns the name. It comes with built-in concurrency,multiple dispatch, and fresh tools likeRakuASTfor syntax-aware code wrangling...

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@faun shared a link, 3 days, 8 hours ago

How FinOps Drives Value for Every Engineering Dollar

Duolingo’s FinOps crew didn’t just track cloud costs—they wired up sharp, automated observability across 100+ microservices. Real-time alerts now catch AI and infra spend spikes before they torch the budget. They sliced TTS costs by 40% with in-memory caching. Dumped pricey CloudWatch metrics for P..

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@faun shared a link, 3 days, 8 hours ago

The Ultimate Sprint Retro: My 10 Years of Software Engineering

A decade in the trenches took one engineer from writing clean code to navigating company chaos—eventually landing in engineering management. The big shift? Less about scaling systems, more about scaling humans. What started with system design and production code morphed into leading teams, syncing ..

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@faun shared a link, 3 days, 8 hours ago

Developer Experience at Pinterest: The Journey to PinConsole

Pinterest rolled outPinConsole, a custom-built Internal Developer Platform powered byBackstage. Years of scattered tools had piled on complexity. This is their clean slate. PinConsole pulls developer workflows into one place, plugging intoPinCompute (Kubernetes),GitHub,Jira, andPagerDuty. It also b..

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@faun shared a link, 3 days, 8 hours ago

Best 20 Linux Commands for Daily Use in Production Servers

A fresh roundup drops20 go-to Linux commandsfor production sysadmins, dialing in on modern defaults likehtop > top,ss > netstat, andip > ifconfig. The shift? Faster tools that actually get updates. Built with systemd in mind, too. Expect the usual suspects—journalctl,rsync,crontab—all still pulling..

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@laura_garcia shared a post, 3 days, 8 hours ago

Software Developer, RELIANOID

The Importance of Reliability in Airport Systems

✈️ In aviation, reliability isn’t optional—it’s mission-critical. From flight scheduling to baggage handling, every system must perform flawlessly to keep passengers moving. Our latest blog explores how Navitaire by Collins Aerospace is transforming airport operations and how RELIANOID helps ensure ..

Flask is an open-source web framework written in Python and created by Armin Ronacher in 2010. It is known as a microframework, not because it is weak or incomplete, but because it provides only the essential building blocks for developing web applications. Its core focuses on handling HTTP requests, defining routes, and rendering templates, while leaving decisions about databases, authentication, form handling, and other components to the developer. This minimalistic design makes Flask lightweight, flexible, and easy to learn, but also powerful enough to support complex systems when extended with the right tools.

At the heart of Flask are two libraries: Werkzeug, which is a WSGI utility library that handles the low-level details of communication between web servers and applications, and Jinja2, a templating engine that allows developers to write dynamic HTML pages with embedded Python logic. By combining these two, Flask provides a clean and pythonic way to create web applications without imposing strict architectural patterns.

One of the defining characteristics of Flask is its explicitness. Unlike larger frameworks such as Django, Flask does not try to hide complexity behind layers of abstraction or dictate how a project should be structured. Instead, it gives developers complete control over how they organize their code and which tools they integrate. This explicit nature makes applications easier to reason about and gives teams the freedom to design solutions that match their exact needs. At the same time, Flask benefits from a vast ecosystem of extensions contributed by the community. These extensions cover areas such as database integration through SQLAlchemy, user session and authentication management, form validation with CSRF protection, and database migration handling. This modular approach means a developer can start with a very simple application and gradually add only the pieces they require, avoiding the overhead of unused components.

Flask is also widely appreciated for its simplicity and approachability. Many developers write their first web application in Flask because the learning curve is gentle, the documentation is clear, and the framework itself avoids unnecessary complexity. It is particularly well suited for building prototypes, REST APIs, microservices, or small to medium-sized web applications. At the same time, production-grade deployments are supported by running Flask applications on WSGI servers such as Gunicorn or uWSGI, since the development server included with Flask is intended only for testing and debugging.

The strengths of Flask lie in its minimalism, flexibility, and extensibility. It gives developers the freedom to assemble their application architecture, choose their own libraries, and maintain tight control over how things work under the hood. This is attractive to experienced engineers who dislike being boxed in by heavy frameworks. However, the same freedom can become a limitation. Flask does not include features like an ORM, admin interface, or built-in authentication system, which means teams working on very large applications must take on more responsibility for enforcing patterns and maintaining consistency. In situations where a project requires an opinionated, all-in-one solution, Django or another full-stack framework may be a better fit.

In practice, Flask has grown far beyond its initial positioning as a lightweight tool. It has been used by startups for rapid prototypes and by large companies for production systems. Its design philosophy—keep the core simple, make extensions easy, and let developers decide—continues to attract both beginners and professionals. This balance between simplicity and power has made Flask one of the most enduring and widely used Python web frameworks.